Desensitizable record material

Details Desensitizable record material Desensitizable record material

B - Operations, Transporting

41

M

B41M 5/28 (2006.01) G03F 7/00 (2006.01)

Patent

CA 2092233

A novel record material is disclosed comprising a substrate bearing microcapsules having nonmeltable walls. The microcapsules contain a chromogen or developer and a photosensitive composition internal thereof, said microcapsules undergoing a change in viscosity upon exposure to actinic radiation. The walls of the microcapsules have an elongation of not more than 1%, and the record material is resistant to heat, measured by not producing any substantial color when placed in a 150°C oven for one minute. Surprisingly, the record material however is capable of forming a color upon application to the record material of a point source energy input comprising a .DELTA.T of at least 115°C per one millisecond.

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